// Copyright 2020-2021 Dolthub, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package auth

import (
	"github.com/dolthub/go-mysql-server/sql"

	"github.com/dolthub/vitess/go/mysql"
)

// None is an Auth method that always succeeds.
type None struct{}

// Mysql implements Auth interface.
func (n *None) Mysql() mysql.AuthServer {
	return new(mysql.AuthServerNone)
}

// Mysql implements Auth interface.
func (n *None) Allowed(ctx *sql.Context, permission Permission) error {
	return nil
}
